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libkernaux/pkgs/ruby/ext/default/ntoa.c
2022-01-30 03:22:07 +05:00

191 lines
6.4 KiB
C

#include <kernaux.h>
#include <ruby.h>
#ifdef HAVE_KERNAUX_UTOA
static VALUE rb_KernAux_utoa(VALUE self, VALUE number, VALUE base);
#endif
#ifdef HAVE_KERNAUX_ITOA
static VALUE rb_KernAux_itoa(VALUE self, VALUE number, VALUE base);
#endif
#ifdef HAVE_KERNAUX_UTOA10
static VALUE rb_KernAux_utoa10(VALUE self, VALUE number);
#endif
#ifdef HAVE_KERNAUX_ITOA10
static VALUE rb_KernAux_itoa10(VALUE self, VALUE number);
#endif
#ifdef HAVE_KERNAUX_UTOA16
static VALUE rb_KernAux_utoa16(VALUE self, VALUE number);
#endif
#ifdef HAVE_KERNAUX_ITOA16
static VALUE rb_KernAux_itoa16(VALUE self, VALUE number);
#endif
static ID rb_intern_LESS = Qnil;
static ID rb_intern_b = Qnil;
static ID rb_intern_B = Qnil;
static ID rb_intern_freeze = Qnil;
static ID rb_intern_h = Qnil;
static ID rb_intern_H = Qnil;
static ID rb_intern_o = Qnil;
static ID rb_intern_O = Qnil;
static ID rb_intern_d = Qnil;
static ID rb_intern_D = Qnil;
static ID rb_intern_x = Qnil;
static ID rb_intern_X = Qnil;
static VALUE rb_KernAux = Qnil;
static VALUE rb_KernAux_Error = Qnil;
static VALUE rb_KernAux_InvalidNtoaBaseError = Qnil;
#if defined(HAVE_KERNAUX_UTOA) || defined(HAVE_KERNAUX_ITOA)
static int convert_base(VALUE base);
#endif
void init_ntoa()
{
rb_gc_register_mark_object(ID2SYM(rb_intern_LESS = rb_intern("<")));
rb_gc_register_mark_object(ID2SYM(rb_intern_b = rb_intern("b")));
rb_gc_register_mark_object(ID2SYM(rb_intern_B = rb_intern("B")));
rb_gc_register_mark_object(ID2SYM(rb_intern_freeze = rb_intern("freeze")));
rb_gc_register_mark_object(ID2SYM(rb_intern_h = rb_intern("h")));
rb_gc_register_mark_object(ID2SYM(rb_intern_H = rb_intern("H")));
rb_gc_register_mark_object(ID2SYM(rb_intern_o = rb_intern("o")));
rb_gc_register_mark_object(ID2SYM(rb_intern_O = rb_intern("O")));
rb_gc_register_mark_object(ID2SYM(rb_intern_d = rb_intern("d")));
rb_gc_register_mark_object(ID2SYM(rb_intern_D = rb_intern("D")));
rb_gc_register_mark_object(ID2SYM(rb_intern_x = rb_intern("x")));
rb_gc_register_mark_object(ID2SYM(rb_intern_X = rb_intern("X")));
rb_gc_register_mark_object(rb_KernAux = rb_define_module("KernAux"));
rb_gc_register_mark_object(rb_KernAux_Error =
rb_define_class_under(rb_KernAux, "Error", rb_eRuntimeError));
rb_gc_register_mark_object(rb_KernAux_InvalidNtoaBaseError =
rb_define_class_under(rb_KernAux, "InvalidNtoaBaseError",
rb_KernAux_Error));
#ifdef HAVE_KERNAUX_UTOA
rb_define_singleton_method(rb_KernAux, "utoa", rb_KernAux_utoa, 2);
#endif
#ifdef HAVE_KERNAUX_ITOA
rb_define_singleton_method(rb_KernAux, "itoa", rb_KernAux_itoa, 2);
#endif
#ifdef HAVE_KERNAUX_UTOA10
rb_define_singleton_method(rb_KernAux, "utoa10", rb_KernAux_utoa10, 1);
#endif
#ifdef HAVE_KERNAUX_ITOA10
rb_define_singleton_method(rb_KernAux, "itoa10", rb_KernAux_itoa10, 1);
#endif
#ifdef HAVE_KERNAUX_UTOA16
rb_define_singleton_method(rb_KernAux, "utoa16", rb_KernAux_utoa16, 1);
#endif
#ifdef HAVE_KERNAUX_ITOA16
rb_define_singleton_method(rb_KernAux, "itoa16", rb_KernAux_itoa16, 1);
#endif
}
#ifdef HAVE_KERNAUX_UTOA
VALUE rb_KernAux_utoa(
const VALUE self_rb __attribute__((unused)),
const VALUE number_rb,
const VALUE base_rb
) {
RB_INTEGER_TYPE_P(number_rb);
if (rb_funcall(number_rb, rb_intern_LESS, 1, INT2FIX(0))) {
rb_raise(rb_eRangeError, "can't convert negative number to uint64_t");
}
char buffer[KERNAUX_UTOA_BUFFER_SIZE];
kernaux_utoa(NUM2ULL(number_rb), buffer, convert_base(base_rb));
return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
}
#endif
#ifdef HAVE_KERNAUX_ITOA
VALUE rb_KernAux_itoa(
const VALUE self_rb __attribute__((unused)),
const VALUE number_rb,
const VALUE base_rb
) {
RB_INTEGER_TYPE_P(number_rb);
char buffer[KERNAUX_ITOA_BUFFER_SIZE];
kernaux_itoa(NUM2LL(number_rb), buffer, convert_base(base_rb));
return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
}
#endif
#ifdef HAVE_KERNAUX_UTOA10
VALUE rb_KernAux_utoa10(
const VALUE self_rb __attribute__((unused)),
const VALUE number_rb
) {
RB_INTEGER_TYPE_P(number_rb);
if (rb_funcall(number_rb, rb_intern_LESS, 1, INT2FIX(0))) {
rb_raise(rb_eRangeError, "can't convert negative number to uint64_t");
}
char buffer[KERNAUX_UTOA10_BUFFER_SIZE];
kernaux_utoa10(NUM2ULL(number_rb), buffer);
return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
}
#endif
#ifdef HAVE_KERNAUX_ITOA10
VALUE rb_KernAux_itoa10(
const VALUE self_rb __attribute__((unused)),
const VALUE number_rb
) {
RB_INTEGER_TYPE_P(number_rb);
char buffer[KERNAUX_ITOA10_BUFFER_SIZE];
kernaux_itoa10(NUM2LL(number_rb), buffer);
return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
}
#endif
#ifdef HAVE_KERNAUX_UTOA16
VALUE rb_KernAux_utoa16(
const VALUE self_rb __attribute__((unused)),
const VALUE number_rb
) {
RB_INTEGER_TYPE_P(number_rb);
if (rb_funcall(number_rb, rb_intern_LESS, 1, INT2FIX(0))) {
rb_raise(rb_eRangeError, "can't convert negative number to uint64_t");
}
char buffer[KERNAUX_UTOA16_BUFFER_SIZE];
kernaux_utoa16(NUM2ULL(number_rb), buffer);
return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
}
#endif
#ifdef HAVE_KERNAUX_ITOA16
VALUE rb_KernAux_itoa16(
const VALUE self_rb __attribute__((unused)),
const VALUE number_rb
) {
RB_INTEGER_TYPE_P(number_rb);
char buffer[KERNAUX_ITOA16_BUFFER_SIZE];
kernaux_itoa16(NUM2LL(number_rb), buffer);
return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
}
#endif
#if defined(HAVE_KERNAUX_UTOA) || defined(HAVE_KERNAUX_ITOA)
int convert_base(const VALUE base_rb)
{
if (TYPE(base_rb) == T_SYMBOL) {
const ID base_id = SYM2ID(base_rb);
if (base_id == rb_intern_b) return 'b';
else if (base_id == rb_intern_B) return 'B';
else if (base_id == rb_intern_h) return 'h';
else if (base_id == rb_intern_H) return 'H';
else if (base_id == rb_intern_o) return 'o';
else if (base_id == rb_intern_O) return 'O';
else if (base_id == rb_intern_d) return 'd';
else if (base_id == rb_intern_D) return 'D';
else if (base_id == rb_intern_x) return 'x';
else if (base_id == rb_intern_X) return 'X';
else {
rb_raise(rb_KernAux_InvalidNtoaBaseError, "invalid base");
}
} else {
return NUM2INT(base_rb);
}
}
#endif